Description of the immature stages of the flea beetle <i>Omophoita personata</i> (Coleoptera: Chrysomelidae: Galerucinae: Alticini)

Antonio, Anderson Igomar; Rech, Tarcila; Linzmeier, Adelita Maria

doi:10.1590/S1984-4689.v39.e21024

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Research Article • Zoologia (Curitiba) 39 • 2022 • https://doi.org/10.1590/S1984-4689.v39.e21024 copy

Description of the immature stages of the flea beetle Omophoita personata (Coleoptera: Chrysomelidae: Galerucinae: Alticini)

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Alticini is the most diverse tribe of Chrysomelidae with approximately 8,000 species. Despite of its high diversity, little is known about their natural history and immature stages. Herein, we describe the immatures of Omophoita personata (Illiger, 1807) reared in laboratory from adults sampled in field. We also investigated and compared with immatures of O. octoguttata (Fabricius, 1775). Detailed morphology and chaetotaxy are presented. Larvae of O. personata have their bodies covered with tubercles and the stemmata are absent. These characteristics are shared with other Oedionychina species, reinforcing the stability of these morphological characteristics as diagnostic of this subtribe. This study provides important descriptive and comparative data that increases the knowledge about Alticini immatures.

KEY WORDS:
Larvae; larval morphology; Oedionychina; pupa description; taxonomy

	Oedionychina				Monoplatina			Dibolina
	Omophoita personata	Alagoasa januaria	Walterianella bucki	Kuschelina bergi	Pseudolampsis darwini	Pseudolampsis guttata	Distigmoptera borealis	Megistops vandepolli
First instar larva
Egg burster	1 pair on meso and metanotum	1 pair on meso and metanotum	Absent	Present on meso and metathorax¹	Absent	Absent	Absent	Absent
Third instar larva
Prominent tubercles	Dorsolateral only	Dorsolateral only	Dorsolateral only	Dorsolateral only	No prominent tubercle	No prominent tubercle	No prominent tubercle	No prominent tubercle
Stemmata	Absent	Absent	Absent	Absent	Present	Present	Absent	Absent
Head	Hypognathous	Hypognathous	Hypognathous	Hypognathous	Hypognathous	Hypognathous	Hypognathous	Prognathous
Endocarina	Long	Long	Long	Long	Short	Short	Long	Long
Clypeus sclerotization	Basally sclerotized on the sides	Basally sclerotized on the sides	No information	No information	Basal half sclerotized	Basal half sclerotized	No information	No clypeus
Labrum - setae	4 pairs	8 pairs	2 pairs	2 pairs	2 pairs	2 pairs	2 pairs	2 pairs
Mandible - shape and teeth	Palmate - 5 teeth	Palmate - 5 teeth	Palmate - 5 teeth	Not described - 4 teeth	Palmate - 5 teeth	Palmate - 5 teeth	Palmate - 4 teeth	Not described - 4 teeth
Pronotum - setae	8 pairs	8 pairs	8 pairs	15 setae	7 pairs	7 pairs	10 pairs	9 pairs
Medial setae on prosternum	2 pairs	2 pairs	1 pair	2 pairs	Not described	1 pair	Absent	Absent
Body sclerites	Absent	Absent	Present	Present	Present	Present	Present	Absent
Spiracles	Annuliform	Annuliform	Annuliform	Annuliform	Annuliform	Annuliform	Annuliform	Annuliform
Segment IX - setae	7 pairs	4 pairs	7 pairs	8 pairs	5 pairs	5 pairs	3 pairs	4 pairs
Pupa
Head - setae	3 pairs	3 pairs	Not described	Not described	6 pairs	5 pairs	Not described²	4 pairs
Pronotum - setae	8 pairs	8 pairs	Not described	Not described	7 pairs	7 pairs	4 pairs	11 pairs
Dorsal abdominal segs I-VII - setae	2 pairs	2 pairs	Not described	Not described	4 pairs	4 pairs	Not described	3 pairs
Spiracles	6 pairs - annuliform	6 pairs - annuliform rounded	Not described	Not described	6 pairs (last vestigial) rounded	6 pairs (last vestigial) rounded	Not described	6 pairs - rounded
Reference	Present paper	Duckett and Swigoňová (2002Duckett CN, Swigoňová Z (2002) Description of immatures stages of Alagosa januaria Bechyné (Coleoptera: Chrysomelidae). Journal New York Entomological Society 110(1): 115-126.)	Duckett and Casari (2002Duckett CN, Casari SA (2002) First descriptions of larval stages of Walterianella bucki Bechyné (Coleoptera: Chrysomelidae: Alticini) and notes on life history. The Coleopterists Bulletin 56(2): 170-181.)	Cabrera et al. (2016Cabrera N, Sosa A, Telesnicki M, Julien M (2016) Morphology of juvenile stages of Kuschelina bergi (Harold) with biological information (Coleoptera, Chrysomelidae, Alticini). ZooKeys 561: 51-61.)	Casari and Duckett (1997Casari SA, Duckett CN (1997) Description of immature stages of two species of Pseudolampsis (Coleoptera: Chrysomelidae) and the establishment of a new combination in the genus. Journal of the New York Entomological Society 105: 50-64.)	Casari and Duckett (1997Casari SA, Duckett CN (1997) Description of immature stages of two species of Pseudolampsis (Coleoptera: Chrysomelidae) and the establishment of a new combination in the genus. Journal of the New York Entomological Society 105: 50-64.)	Konstantinov et al. (2019Konstantinov AS, Linzmeier AM, Morais ACC, Palmer MW, Scheffer SJ, Lewis ML (2019) Discovery of the first Nearctic moss-eating flea beetle, Distigmoptera borealis Blake, 1943 (Coleoptera: Chrysomelidae: Galerucinae: Alticini). The Coleopterists Bulletin 73(3): 599-610.)	Linzmeier et al. (2007Linzmeier AM, Ribeiro-Costa CS, Moura LA (2007) First descriptions of immatures for Megistops (Boheman) (Coleoptera, Chrysomelidae, Galerucinae) in a new host-plant family, with notes on life history and redescription of M. vandepolli Duvivier. Zootaxa 1615(1): 55-68.)

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[1] Corresponding author: Adelita Maria Linzmeier (adelita.linzmeier@uffs.edu.br)